annotate src/event/ngx_event_timer.h @ 303:00c5660d2707

nginx-0.0.3-2004-04-01-20:20:53 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 01 Apr 2004 16:20:53 +0000
parents b836469c37c3
children bcbe876f4262
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
50
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1 #ifndef _NGX_EVENT_TIMER_H_INCLUDED_
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2 #define _NGX_EVENT_TIMER_H_INCLUDED_
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
3
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
4
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
5 #include <ngx_config.h>
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
6 #include <ngx_core.h>
50
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
7 #include <ngx_event.h>
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
10 #define NGX_TIMER_ERROR (ngx_msec_t) -1
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
11
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
12 /*
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 209
diff changeset
13 * 32 bit timer key value resolution
206
9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 205
diff changeset
14 *
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
15 * 1 msec - 49 days
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
16 * 10 msec - 1 years 4 months
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
17 * 50 msec - 6 years 10 months
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
18 * 100 msec - 13 years 8 months
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
19 */
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
20
213
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 210
diff changeset
21 #define NGX_TIMER_RESOLUTION 1
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
22
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
23
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
24 ngx_int_t ngx_event_timer_init(ngx_log_t *log);
206
9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 205
diff changeset
25 ngx_msec_t ngx_event_find_timer(void);
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
26 void ngx_event_expire_timers(ngx_msec_t timer);
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
27
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
28
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
29 #if (NGX_THREADS)
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
30 extern ngx_mutex_t *ngx_event_timer_mutex;
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
31 #endif
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
32
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
33
275
b836469c37c3 nginx-0.0.2-2004-03-02-18:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
34 extern ngx_thread_volatile ngx_rbtree_t *ngx_event_timer_rbtree;
b836469c37c3 nginx-0.0.2-2004-03-02-18:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
35 extern ngx_rbtree_t ngx_event_timer_sentinel;
207
6e0fef527732 nginx-0.0.1-2003-12-05-20:07:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 206
diff changeset
36
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
37
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
38 ngx_inline static void ngx_event_del_timer(ngx_event_t *ev)
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
39 {
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
40 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
41 "event timer del: %d: %d",
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
42 ngx_event_ident(ev->data), ev->rbtree_key);
213
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 210
diff changeset
43
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
44 #if (NGX_THREADS)
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
45 if (ngx_mutex_lock(ngx_event_timer_mutex) == NGX_ERROR) {
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
46 return;
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
47 }
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
48 #endif
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
49
272
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 270
diff changeset
50 ngx_rbtree_delete((ngx_rbtree_t **) &ngx_event_timer_rbtree,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 270
diff changeset
51 &ngx_event_timer_sentinel,
206
9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 205
diff changeset
52 (ngx_rbtree_t *) &ev->rbtree_key);
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
53
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
54 #if (NGX_THREADS)
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
55 ngx_mutex_unlock(ngx_event_timer_mutex);
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
56 #endif
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
57
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
58 #if (NGX_DEBUG)
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
59 ev->rbtree_left = NULL;
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
60 ev->rbtree_right = NULL;
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
61 ev->rbtree_parent = NULL;
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
62 #endif
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
63
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
64 ev->timer_set = 0;
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
65 }
50
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
66
b288069a8696 nginx-0.0.1-2003-01-23-21:47:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
67
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
68 ngx_inline static void ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer)
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
69 {
303
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
70 ngx_int_t key;
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
71
303
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
72 key = (ngx_int_t)
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 209
diff changeset
73 (ngx_elapsed_msec / NGX_TIMER_RESOLUTION * NGX_TIMER_RESOLUTION
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 209
diff changeset
74 + timer) / NGX_TIMER_RESOLUTION;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 209
diff changeset
75 #if 0
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
76 (ngx_elapsed_msec + timer) / NGX_TIMER_RESOLUTION;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 209
diff changeset
77 #endif
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
78
303
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
79 if (ev->timer_set) {
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
80 if (key - ev->rbtree_key < 50) {
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
81 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
82 "event timer: %d, old: %d, new: %d",
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
83 ngx_event_ident(ev->data), ev->rbtree_key, key);
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
84 return;
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
85 }
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
86
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
87 ngx_del_timer(ev);
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
88 }
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
89
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
90 ev->rbtree_key = key;
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import
Igor Sysoev <igor@sysoev.ru>
parents: 275
diff changeset
91
214
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
92 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
93 "event timer add: %d: %d",
e0c502f15852 nginx-0.0.1-2003-12-22-12:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
94 ngx_event_ident(ev->data), ev->rbtree_key);
213
f536f91e8e99 nginx-0.0.1-2003-12-19-15:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 210
diff changeset
95
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
96 #if (NGX_THREADS)
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
97 if (ngx_mutex_lock(ngx_event_timer_mutex) == NGX_ERROR) {
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
98 return;
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
99 }
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
100 #endif
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
101
272
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 270
diff changeset
102 ngx_rbtree_insert((ngx_rbtree_t **) &ngx_event_timer_rbtree,
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 270
diff changeset
103 &ngx_event_timer_sentinel,
206
9aa426375256 nginx-0.0.1-2003-12-05-10:11:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 205
diff changeset
104 (ngx_rbtree_t *) &ev->rbtree_key);
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
105
270
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
106 #if (NGX_THREADS)
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
107 ngx_mutex_unlock(ngx_event_timer_mutex);
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
108 #endif
7bb9562216ce nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents: 230
diff changeset
109
205
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
110 ev->timer_set = 1;
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
111 }
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
112
4a9a2b1dd6fa nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
113
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents: 53
diff changeset
114 #endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */